/*
 * JavaCVBasicView.java
 */

package javacvbasic;

import com.banglaocr.basic.ExperimentalMethods;
import com.banglaocr.basic.SmoothImage;
import java.awt.Color;
import java.io.File;
import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileFilter;

/**
 * The application's main frame.
 */
public class JavaCVBasicView extends FrameView {
    private String inputFilePath;

    public JavaCVBasicView(SingleFrameApplication app) {
        super(app);

        initComponents();

        // status bar initialization - message timeout, idle icon and busy animation, etc
        ResourceMap resourceMap = getResourceMap();
        int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
        messageTimer = new Timer(messageTimeout, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                statusMessageLabel.setText("");
            }
        });
        messageTimer.setRepeats(true);
        int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
        for (int i = 0; i < busyIcons.length; i++) {
            busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
        }
        busyIconTimer = new Timer(busyAnimationRate, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
                statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
            }
        });
        idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
        statusAnimationLabel.setIcon(idleIcon);
        progressBar.setVisible(false);

        // connecting action tasks to status bar via TaskMonitor
        TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
        taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                String propertyName = evt.getPropertyName();
                if ("started".equals(propertyName)) {
                    if (!busyIconTimer.isRunning()) {
                        statusAnimationLabel.setIcon(busyIcons[0]);
                        busyIconIndex = 0;
                        busyIconTimer.start();
                    }
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(true);
                } else if ("done".equals(propertyName)) {
                    busyIconTimer.stop();
                    statusAnimationLabel.setIcon(idleIcon);
                    progressBar.setVisible(false);
                    progressBar.setValue(0);
                } else if ("message".equals(propertyName)) {
                    String text = (String)(evt.getNewValue());
                    statusMessageLabel.setText((text == null) ? "" : text);
                    messageTimer.restart();
                } else if ("progress".equals(propertyName)) {
                    int value = (Integer)(evt.getNewValue());
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(false);
                    progressBar.setValue(value);
                }
            }
        });
    }

    @Action
    public void showAboutBox() {
        if (aboutBox == null) {
            JFrame mainFrame = JavaCVBasicApp.getApplication().getMainFrame();
            aboutBox = new JavaCVBasicAboutBox(mainFrame);
            aboutBox.setLocationRelativeTo(mainFrame);
        }
        JavaCVBasicApp.getApplication().show(aboutBox);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        mainPanel = new javax.swing.JPanel();
        inputFilePathTextBox = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        smoothBT = new javax.swing.JButton();
        edgeMarkerBT = new javax.swing.JButton();
        infoBT = new javax.swing.JButton();
        menuBar = new javax.swing.JMenuBar();
        javax.swing.JMenu fileMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
        javax.swing.JMenu helpMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
        statusPanel = new javax.swing.JPanel();
        javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
        statusMessageLabel = new javax.swing.JLabel();
        statusAnimationLabel = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();

        mainPanel.setName("mainPanel"); // NOI18N

        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(javacvbasic.JavaCVBasicApp.class).getContext().getResourceMap(JavaCVBasicView.class);
        inputFilePathTextBox.setText(resourceMap.getString("inputFilePathTextBox.text")); // NOI18N
        inputFilePathTextBox.setName("inputFilePathTextBox"); // NOI18N

        jButton1.setText(resourceMap.getString("jButton1.text")); // NOI18N
        jButton1.setName("jButton1"); // NOI18N
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        smoothBT.setText(resourceMap.getString("smoothBT.text")); // NOI18N
        smoothBT.setName("smoothBT"); // NOI18N
        smoothBT.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                smoothBTActionPerformed(evt);
            }
        });

        edgeMarkerBT.setText(resourceMap.getString("edgeMarkerBT.text")); // NOI18N
        edgeMarkerBT.setName("edgeMarkerBT"); // NOI18N
        edgeMarkerBT.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                edgeMarkerBTActionPerformed(evt);
            }
        });

        infoBT.setText(resourceMap.getString("infoBT.text")); // NOI18N
        infoBT.setName("infoBT"); // NOI18N
        infoBT.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                infoBTActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
        mainPanel.setLayout(mainPanelLayout);
        mainPanelLayout.setHorizontalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                        .addComponent(inputFilePathTextBox, javax.swing.GroupLayout.DEFAULT_SIZE, 307, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jButton1))
                    .addGroup(mainPanelLayout.createSequentialGroup()
                        .addComponent(smoothBT)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(edgeMarkerBT)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(infoBT)))
                .addContainerGap())
        );
        mainPanelLayout.setVerticalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(inputFilePathTextBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jButton1))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(smoothBT)
                    .addComponent(edgeMarkerBT)
                    .addComponent(infoBT))
                .addContainerGap(191, Short.MAX_VALUE))
        );

        menuBar.setName("menuBar"); // NOI18N

        fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
        fileMenu.setName("fileMenu"); // NOI18N

        javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(javacvbasic.JavaCVBasicApp.class).getContext().getActionMap(JavaCVBasicView.class, this);
        exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
        exitMenuItem.setName("exitMenuItem"); // NOI18N
        fileMenu.add(exitMenuItem);

        menuBar.add(fileMenu);

        helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
        helpMenu.setName("helpMenu"); // NOI18N

        aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
        aboutMenuItem.setName("aboutMenuItem"); // NOI18N
        helpMenu.add(aboutMenuItem);

        menuBar.add(helpMenu);

        statusPanel.setName("statusPanel"); // NOI18N

        statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

        statusMessageLabel.setName("statusMessageLabel"); // NOI18N

        statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

        progressBar.setName("progressBar"); // NOI18N

        javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
        statusPanel.setLayout(statusPanelLayout);
        statusPanelLayout.setHorizontalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(statusMessageLabel)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 230, Short.MAX_VALUE)
                .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(statusAnimationLabel)
                .addContainerGap())
        );
        statusPanelLayout.setVerticalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(statusMessageLabel)
                    .addComponent(statusAnimationLabel)
                    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(3, 3, 3))
        );

        setComponent(mainPanel);
        setMenuBar(menuBar);
        setStatusBar(statusPanel);
    }// </editor-fold>//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        JFileChooser jFileChooser = new JFileChooser("./");
        jFileChooser.setFileFilter(new FileFilter() {

            @Override
            public boolean accept(File f) {
                if(f == null) {
                    return false;
                }

                if (f.isDirectory()) {
                    return true;
                }

                if (f.getName().endsWith(".jpg") || f.getName().endsWith(".png")||f.getName().endsWith(".bmp")) {
                    return true;
                }
                return false;
            }

            @Override
            public String getDescription() {
                return "";
            }
        });

        if (jFileChooser.showDialog(this.getFrame(), "Select")==JFileChooser.APPROVE_OPTION) {
            File f = jFileChooser.getSelectedFile();
            this.inputFilePath = f.getAbsolutePath();
            this.inputFilePathTextBox.setText(this.inputFilePath);
        }
        
    }//GEN-LAST:event_jButton1ActionPerformed

    private void smoothBTActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_smoothBTActionPerformed
        ArrayList<String> pathName = parsePath("smooth");
        
        SmoothImage si = new SmoothImage(this.inputFilePath);
        si.saveSmoothImage(pathName.get(0)+pathName.get(1));
        this.statusMessageLabel.setText("Done smoothing");
    }//GEN-LAST:event_smoothBTActionPerformed

    private void edgeMarkerBTActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_edgeMarkerBTActionPerformed
        ArrayList<String> pathName = parsePath("edge");

        ExperimentalMethods expri = new ExperimentalMethods();
        expri.setImage(inputFilePath, 0);
        expri.edgeDetection(pathName.get(0)+pathName.get(1));
        this.statusMessageLabel.setText("Edge Detection Done, save as: "+pathName.get(1));
    }//GEN-LAST:event_edgeMarkerBTActionPerformed

    private void infoBTActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_infoBTActionPerformed
        ArrayList<String> pathName = parsePath("inv");

        ExperimentalMethods imageParser = new ExperimentalMethods(inputFilePath);
        imageParser.inverseBlackAndWhite(pathName.get(0)+pathName.get(1));
        this.statusMessageLabel.setText("inversing done "+pathName.get(0)+pathName.get(1));
    }//GEN-LAST:event_infoBTActionPerformed

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton edgeMarkerBT;
    private javax.swing.JButton infoBT;
    private javax.swing.JTextField inputFilePathTextBox;
    private javax.swing.JButton jButton1;
    private javax.swing.JPanel mainPanel;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JButton smoothBT;
    private javax.swing.JLabel statusAnimationLabel;
    private javax.swing.JLabel statusMessageLabel;
    private javax.swing.JPanel statusPanel;
    // End of variables declaration//GEN-END:variables

    private final Timer messageTimer;
    private final Timer busyIconTimer;
    private final Icon idleIcon;
    private final Icon[] busyIcons = new Icon[15];
    private int busyIconIndex = 0;

    private JDialog aboutBox;

    private ArrayList<String> parsePath(String prefix) {
        this.inputFilePath = this.inputFilePathTextBox.getText().trim();
        if (this.inputFilePath.equals("")) {
            JOptionPane.showMessageDialog(this.getFrame(), "Please select a "
                    + "image first", "No file found", JOptionPane.ERROR_MESSAGE);
            return null;
        }

        int li = this.inputFilePath.lastIndexOf('\\');
        String path = "";
        String newName = "";
        if (li!=-1) {
            path = this.inputFilePath.substring(0, li+1);
            newName = prefix+"_"+this.inputFilePath.substring(li+1);
        }

        ArrayList<String> pair = new ArrayList<String>();
        pair.add(path);
        pair.add(newName);
        return pair;
    }
}
